Product Category: Non-Bus, Ad-Hoc, Proprietary Bus
RTI-1221 Analog Output for Pro-Log
The RTI-1221 analog I/O board from Analog Devices was designed specifically for Pro-Log 8080 and 6800 based microprocessor systems (pre STD Bus). The RTI-1220 is a 16-channel data acquisition board while this RTI-1221 is a 4-channel analog output. These were introduced in 1977 with the RTI-1221 priced at $235 Analog Devices also made an RTI-1201
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Digi-Key Nibbler SC/MP Single Board Computer
Sold by Digi-key and listed in their magazine advertisements from Summer 1978 through summer of 1979. Included ROMs with National Semiconductor’s NIBL basic.
The MicroMint Z8 Single Board Computer
Originally from Steve Ciarcia’s Circuit Cellar, BYTE August 1981
